﻿//  Copyright 2021 Google Inc. All Rights Reserved.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.

using System;

namespace NtCoreLib.Utilities.Misc;

/// <summary>
/// Class which calls a delegate on dispose.
/// </summary>
public sealed class CallOnDispose : IDisposable
{
    private readonly Action _action;
    private bool _disposed;

    /// <summary>
    /// Constructor.
    /// </summary>
    /// <param name="action">The delegate to call on dispose.</param>
    public CallOnDispose(Action action)
    {
        _action = action;
    }

    /// <summary>
    /// Dispose and call the action.
    /// </summary>
    public void Dispose()
    {
        try
        {
            if (!_disposed)
            {
                _disposed = true;
            }
            _action();
        }
        catch
        {
        }
    }
}
